Lochinvar & A.O. Smith 100163257 Bypass Assembly 318973-401 Using the genuine Reznor 131448

Using the genuine Reznor 131448 prevents torque-induced flexing that leads to belt wear and motor failure

Installing a switch with a higher threshold than specified can lead to unsafe operating conditions and equipment damage

Field technicians should verify the limit switch specifications and ensure the mounting bracket alignment matches the S1-024-23224-000 footprint for proper thermal sensing and system restoration

High Pressure Rating: Robust brass body construction safe for 650 PSI

For efficient moisture management

Lochinvar & A.O. Smith 100163257 Bypass Assembly 318973-401 Using the genuine Reznor 131448The Lochinvar & A. O. Smith 100163257 Bypass Assembly is a critical OEM component engineered for precise flow management in high efficiency pool and spa heating systems. Built to withstand the rigorous demands of commercial and residential hydronic applications, this 1 2" NPT bypass kit ensures optimal heat exchanger performance by regulating water velocity and preventing thermal shock. This assembly is a direct replacement part designed specifically